Modification of Hibiscus cannabinus fiber by graft copolymerization: application for dye removal

被引:156
作者
Sharma, Gaurav [1 ]
Naushad, M. [2 ]
Pathania, Deepak [1 ]
Mittal, Alok [3 ]
El-desoky, G. E. [2 ]
机构
[1] Shoolini Univ, Sch Chem, Solan 173212, Himachal Prades, India
[2] King Saud Univ, Coll Sci, Dept Chem, Riyadh 11451, Saudi Arabia
[3] Maulana Azad Natl Inst Technol, Dept Chem, Bhopal 462052, India
关键词
Graft copolymerization; Acrylic acid; Dye adsorption; Hibiscus cannabinus; Acrylamide; METHYL-METHACRYLATE; STARCH; ACID; ACRYLONITRILE; COMPOSITES; ACRYLAMIDE;
D O I
10.1080/19443994.2014.904822
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Hibiscus cannabinus fiber was modified by graft copolymerization with vinyl monomer acrylic acid (AAc) and binary mixture of AAc and acrylamide (AAm). The different reaction parameters were optimized to get maximum grafting yield. The optimized percent grafting for AAc and binary mixture (AAc + AAm) was found to be 93.6 and 74.6%, respectively, at the molar concentration of 0.35 M for AAc and 0.4 M for AAm. The raw AAc grafted H. cannabinus fiber (Hcf-g-polyAAc) and AAc + AAm grafted H. cannabinus fiber (Hcf-g-polyAAc + AAm) were characterized by FTIR and scanning electron microscopy. The modified H. cannabinus fibers were used as potential candidate for the removal of dye from aqueous system.
引用
收藏
页码:3114 / 3121
页数:8
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